289255540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2066111}}^1$

素因数の和:2066127

約数の個数: 24

約数和(自身を含む): 694213632

約数和(自身を除く): 404958092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2066111, 4132222, 8264444, 10330555, 14462777, 20661110, 28925554, 41322220, 57851108, 72313885, 144627770, 289255540]

約数ペア:

[(1, 289255540), (2, 144627770), (4, 72313885), (5, 57851108), (7, 41322220), (10, 28925554), (14, 20661110), (20, 14462777), (28, 10330555), (35, 8264444), (70, 4132222), (140, 2066111)]